Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

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Loading Port:
Qingdao Port
Payment Terms:
TT or LC
Min Order Qty:
25M.T. m.t.
Supply Capability:
200000M.T./Year m.t./month
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Mechanical Properties of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

Code

Nominal diameter

Impact test

Ak,J

Falling ball impact fatigue life

HRC

Surface

Heart

HN-75MNCr

≤90

>12

≥10000

≥62

≥58

>90

≥58

≥55

HN-40MNCr

≤90

≥12

≥10000

≥55

≥52

>90

≥52

≥50

HN-65MN

≤90

≥12

≥10000

≥60

≥42

>90

≥58

≥40

 

Chemical Composition of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

Model

C

Mn

Si

Cr

S

P

Mo

V

Ti

HN-40MNCr

0.40-0.50

0.7-1.2

0.17-0.37

0.9-1.1

0.03max

0.03max

0.02max

0.02max

0.02max

HN-65MN

0.62-0.70

0.9-1.2

0.17-0.37

0.25max

0.035max

0.035max

0.02max

0.02max

0.02max

HN-75MNCr

0.70-0.85

0.7-0.8

0.17-0.37

0.4-0.9

0.03max

0.03max

0.02max

0.02max

0.02max

 

Product Description of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate

1)Size:from 20mm to 150mm(0.75''-6'')

2)Surface hardness to55-67HRC, volume hardness of 50-63HRC

3)Endurance test times>10000

4)Impact test>12AK.J/CM2

5)Material: HN-65MN,HN-75MNCr,HN-40MNCr meet client's special needs.

6)Chromium percentage: from 0.25 to 1.1%.

7)Heat treatment: cycles.

8)Production Technical: traditional hammer forging; Upsetting forged; Rolling forged

9)Application :Mining ,Cement plant, ,Power station,and other grinding industries

10)Certification:SGS/TUV/BV/COTECNA/ISO9001:2008

Q:How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.
Q:What reason is the bronze statue choking fire?
The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,
Q:Why do casting parts have air holes?
Cangshan Qiao hidden his answer is quite comprehensive, you can try using inert gas to reduce air cover
Q:How can the casting be free of trachoma?
Measures for the prevention of trachoma in castings:1, sand compaction to high, paint two times;
Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.
Q:What are the general technical requirements for casting parts?
Satisfy appearance quality (appearance defect, quality change, size deviation)Intrinsic quality (composition, properties, internal organization)Service performance (abrasion resistance, corrosion resistance, heat resistance, pressure resistance)
Q:Why should pig iron be used in casting?
Not necessarily is iron, steel, stainless steel, aluminum, copper can be cast iron, is cheaper, and better properties of cast out, for example, is not easy to rust, high strength, easy processing and so on, and is the only iron iron cast out, it is not necessarily the raw pig iron, plus some other material
Q:How to calculate the price of casting parts?
According to the complexity of the workpiece, material and casting requirements and process yield
Q:Cause of choking of casting parts
Is it boiling from the picture? Does it sound like a fire? If not, it's not choking. I feel like choking. The gas doesn't drain out
Q:It is generally said that cast iron is re smelted by pig iron. My question is..:1 pig iron for melting iron, is directly cast into products (such as bed cover, etc.); or that is just the first pig iron smelting iron casting, such as to cover, bed and other products, will once again cast iron melt to casting?2, there are many castings to the engine. Are these castings made by the engine manufacturer themselves or bought by others?There is no need to answer all. Thank you!!!
The first to ask, such as casting end cover, bed and other products, is to put the iron melting and casting againThe two question, their casting castings manufacturers than to buy professional casting factory production, production quality more security professional.
Grinding King are leading manufacturer and professional exporter of grinding media balls in China.with the annual output of 50,000 to 70,000 metric tons.Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan,Korea,Africa,Zambia,Malaysia,Phillipines,Indonesia,Mongolia,Australia,UAE,Chile etc.

1. Manufacturer Overview

Location Shandong, China
Year Established 2000
Annual Output Value Above US$100 Million
Main Markets Africa; Mid East;South Asia;Southeast Asia;Eastern Asia;Southern Europe
Company Certifications ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao Port; Tianjin Port; Shanghai Port
Export Percentage
No.of Employees in Trade Department 6-10 People
Language Spoken: English;Chinese;
b)Factory Information  
Factory Size: Above 40,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Grinding Ball; Grinding Rod; Cylpeb; Grinding Media; Ball Mill Ball
Product Price Range Average

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